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8-2. COOL ( ) OPERATION
(1) Press OPERATE/STOP button.
OPERATION INDICATOR of the indoor unit turns on with a beep tone.
(2) Select COOL mode.
(3) Set the TEMPERATURES button.
(TOO WARM or TOO COOL button)
The setting range is 16 ~ 31°C
✻ Indoor fan continues to operate regardless of
thermostat’s OFF-ON
✻ Coil frost prevention is as same as COOL
mode of “I FEEL CONTROL”
8-3. DRY ( ) OPERATION
(1) Press OPERATE/STOP button.
OPERATION INDICATOR of the indoor unit
turns on with a beep tone.
(2) Select DRY mode.
(3) The microprocessor reads the room tempera-
ture and determines the set temperature. Set
temperature is as shown on the right chart.
Thermostat (SET TEMP.)does not work.
The other operations are same as DRY mode of
“I FEEL CONTROL”.
(4) DRY operation will not function when the room
temperature is 13°C or below.
(5) When DRY operation functions, the fan speed
is lower than cool operation.
8-4. HEAT ( ) OPERATION
(1) Press OPERATE/STOP button.
OPERATION INDICATOR on the indoor unit turns on with a beep tone.
(2) Select HEAT mode.
(3) Press TEMPERATURES button (TOO WARM or TOO COOL button) to select the desired temperature.
The setting range is 16 ~ 31°C.
(4) Indoor fan speed control, high pressure protection, defrosting, heater control are the same as HEAT mode of “I FEEL
CONTROL”.
4. Reversing valve control
Heating · · · · · ON
Cooling · · · · · OFF
Dry · · · · · · · · OFF
NOTE1: The Reversing valve reverses for 5 seconds right before start-up of the compressor.
NOTE2: Refer to the Service Manual OB185 when MSH-07/09/12NV- , MSH-07/09/12/18NV- , and MSH-18NV-
are connected with MXZ-32NV- as multi system units.
E1
E3E2E1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Compressor
Reversing valve
Outdoor fan
(COOL / DRY)
(HEAT)
5 sec.
5 sec.
OB207t-2qxp 25/9/97 8:55 PM Page 39